Lock



P. E. STONE Feb. 16, 1937.

LOCK

Filed June 21. 1935 7" v Porter" 2'. 520726 M daftorvzggfi Patented Feb. 1c, 1937 UNITED STATES PATENT OFFICE Thisinvention relates to looks and has for its object to provide a new and improved device of this description. The inventionhas as a further object to provide a lock of the free wheeling type. The invention has further objects which are more particularly pointed out in the accompanying description; P

Referring now to the drawing, Fig. 1 is a top view with parts broken away showing one form of lock; I

Fig. 2 is an enlarged sectional view taken on line 2-2 of Fig. 1;

Fig. 3 is 'a sectional view taken on line'8-4 of Fig. 2 looking downwardly; Fig. 4 is a sectional view taken on ,line 84 of Fig. 2 looking upwardly; I a Fig. 5 is a plan view of the movable lockin member:

Fig. 6 is a sectional view taken on line 8-8 v of Fig. 2' with the lock barrel omitted, and

cap in position, although it may be used for any other suitable-purpose where a lock is desired. Referring now to the drawing, there is illustrated the portion I of the gasoline tank having the opening through which gasoline is inserted. Located within this opening, when it is desired to close it, is a locking'member 2 having an annular rim 2 which fits over the edge 4 or the portion of the tank surrounding the opening. I There is preferably a washer 8 between the-shoulder 3 and the part 4 The part 4 has an inwardlybent portion 8 which acts as a stationary fastening member and which is cut away at I at opposite sides and 4 which is provided with projections 8 which act as a stop. Attached to the casing 2 are the in,0v

able fastening members 8 and III which engage the under-race oi' the stationary fastening member 8 and which are arranged between the guiding members it and l2, l3 and, I4. The movable locking members 9 and ill may be formed in any desired manner, and a simple way of forming them is to form them integral so that they are connected together by the bottom portion i8 whichis attached to the casing by the fas-' tening devices I8 and 18a. The locking member 2 is provided at its bottom portion, and preferably extending therearound, with a series of teeth l1. Located within the casingis the rotatable member 18 which is also hollow. A

' The spring l8 prevents the withdrawal of the member l8 from the member 2. The cylinder 28' 2. The barrel 21, the cylinder 28, the member ,gasoline tank or to open any other device with spring ring I! extends around a groove 28 in the rotatable member 18 and there is a corresponding groove 2| in the casing. The bottom of the rotatable member I8 is cut away at 22 to receive the movable locking member 28 which is provided '5 with teeth 24, which engage the teeth "a on the interior of the member 2. This movable locking member 23 is provided with a groove 28 ex-,

tending .thereacross. Located within the rotatable member i8 is a cylinder 28 and within this 10 cylinder is the barrel 21, having a keyhole 21a.

when the key is not in the barrel 21, the barrel 21 is locked to the cylinder 28 by thev bolts 28 I which 'seat in the recesses 28 in the cylinder, and

so that the' device cannot be unlocked or opened. 20

and the member l8 are connected. together by a connecting member 2| which projects into a-recess Na in the cylinder 28. This connecting member causes the cylinder 28 and the member i8 to rotate together and also prevents the with drawal of the cylinder 28 from the member l8.

When the key isinserted in the barrel 21 (cover 30 having first been swung open about hinge 32, 30 33) it withdraws the bolts 28 from the recesses 28 and unlocks the barrel 21 from the cylinder 28.

, The barrel 21 may be then-moved separate from the other parts. During this movement the projection 21b in the slot 28 of thelocking member 35 23 moves said locking member from' the position shown in dotted lines inFlg. 3 to the position shown in full linesin said figure, causing theteeth 24 to engage the teeth l1 on the member 40 i8 and the member 2 are now locked together,

and a further rotation of the key moves the looking members- 9 and -I 0 around to the cutaway portions 1, or the operator can grasp. cover 38 0; member l8 and upon turning either of these members themember 2 will also turn and the locking fingers 9 and ill can be turned around to the slots 1, whereupon the entire lock can be" lifted and moved out ofthe filler tube Ito open up the 'which'thelock is-used. The cover 88 is attached to the locking member 2 by the hinge 82, 88. This parts are locked in position.

The angle of the engaging faces of the teeth 24 on the locking member 23 and the teeth I'Ia on the member 2 are such as to produce interlocking action between them so that the harder they are pressed together, the more tightly they are locked to each other. This locking action is increased by the tilting of the locking member 23 as the parts are tightened. As described above, the lock bolt 23 bass. loose fit in the guideway 22. formed in .the rotatable member ID, consequently the bolt 22 can tilt or cant in the guideway 22. When the bolt 23 is projected by the pin 21b into interengagement with the teeth I! on the member 2, any relative rotation between the member 2-and the member It will cause the bolt 23 to tilt or cant in guideway 22 and when the inclined side 53 of the bolt engages the inclined face or flared mouth 5| of the guideway 22 in the member I 8, the bolt 22 is cammed or urged faces 53 and 54 engage, any torque applied to the cover member or cap I 8 will betransmitted through cam face 54 to face 53 and cam the bolt 23 more tightly into engagement with the teeth II or inside face 55 of the member 2. This action substantially relieves the pin 21b of any load or thrust as the cap is turned on to the filler tube. I

ating locking'portionsi on the filler tube I or when the reverse rotation takes place in the removing of the cap from the filler tube I. In Fig.

7 I have shown a. modified construction where Basement of cam face 54 with face 33 sets up a certain component of force which drives the belt I withany "Is the teethare omitted from the locking member 23 and the member 2, the member 23 simply having-a curved face which engages the curved inner face of the member l8. The tilting of the member 23 causes such a binding action as to produce sufficient locking action to cause the member 2 to rotate. 1

In the modified construction where the teeth are omitted a similar self-energizing or binding action (such as described above) occurs when the bolt 23 is projected and relative rotation occurs between the member2 and the member I8. Here, as in the principal form of the-invention, the en- 23 outwardly into frictionally binding engagement with face 53 of member 2-.

I have described in detail the particular structure embodied in the invention, but it is ofcourse evidentthatthepartsmaybovariedinmany particulars and parts omitted and other parts added, without departing from the spirit of the invention as embodied in the claims hereto appended. -It is further, evident that the lock may beusedwiththeproperchangesinconnection other device than an automobile; gaso- I claim:

1. In combination with two members one of which is relatively rotatable within the other, a key controlled reciprocable bolt between the said members, a guideway in one 'of the said members in which the .bolt is loosely guided and cantable whereby when the bolt is projected to interlock the said'members the canting action of the bolt creates a resistanceto the relative rotation of thev said members, which resistance increases as the force tending to move one member relative to the other increases.

2. In combination with two members. one of which is relatively rotatable within the other, a reciprocable ,bolt,a radial guideway in one of the said members in which the bolt reciprocates and is loosely guided to permit tilting of the bolt, 9. key controlled cylinder lock journalled in one of the said members and having an eccentric pin for projecting the said bolt radially outwardly into engagement with the other of said rotatable members whereby when the boltis projected into locking engagement with one of the said members, the cantingof the bolt in said guideway causes the locking action to increase as the force tending to move one member relative to the other increases and the pin is relieved of substantially all load to preventshearing.

3. In combination with two members one of which is relatively rotatable within the other, a

reciprocable bolt, a guideway in one of said members in which the bolt reciprocates and is loosely guided to permit canting of the bolt in the guideway, a key controlled cylinder lock jour nailed in one of said members and having an eccentric pin for projecting the bolt outwardly along the guideway into engagement with the other of said rotatable members to lock the said members together, and cooperating cam surfaces on the said bolt and one of the said members,

which cam surfaces engage when the bolt is projected whereby when one of the said members is rotated the torque is transmitted through the said cam surfaces and bolt from one rotatable member to the other.

4. In combination with two members one of which is relatively rotatable within the other,- a

reciprocable bolt, a guideway in one-of said memway, a key controlled cylinder lock joumalled in' .one of said members and having an eccentric pin for projecting the bolt outwardly along the guideway into engagement with the other of said rotatable members to lock the said members together, a cam face on the bolt and a cam face on one of the rotatable members which, when the bolt is projected, cooperate with the tilting action of the bolt to increase the resistance to relative rotation of the two membersas the force tending to rotate the one about the other in'- creases.

v 5. In combination with two members-one of which is relativelyv rotatable within the other, a reciprocable bolt, a guideway in one of said members in which the bolt reciprocates and is loosely guided to permit canting of the bolt in the 'guideway, a'key controlled cylinderlock journalled in one of said members and 'having' an eccentric pin for projecting the bolt out wardly al'ongthe guideway into enc s ment with the other of said rotatable members to lock the way, the said cam faces, when the bolt is projected, cooperating to urge the bolt outwardly with a locking pressure which increases as the I force tending to rotate the one member about the other increases.

6. In combination with two members one of which is relatively rotatable within the other, a

reciprocable bolt, a guideway in one of said members in which the bolt reciprocates and is loosely guided to permit canting of the bolt in the guide at the mouth of the said guideway, thesaidicam.

faces extending at an angle-to the longitudinal axis of the said bolt and guideway and cooperating when the bolt is projected to urge the bolt outwardly with ,a locking pressurc'whichincreases as the force tending .to onemember about the'other increases.

7. In combinatiowwith two members one of which is relatively rotatable within the other,

a reciprocable bolt, a guideway inon'e of said members in which the bolt reciprocates and is loosely guided to permit canting of the bolt in the guideway, the end of the bolt and one of the said rotatable members having mutually engageable concentric locking surfaces, a key controlled cylinder lock journallecl. in one of said members and having an eccentric pin for projecting the bolt outwardly along the guideway to engage the locking surfaces of said bolt and the other of said rotatable members to lock the 'said members together, a cam face on the bolt and a cam face on one of the rotatable members which, when the bolt is projected, cooperate with the tiltin action of the bolt to increase the resistance to relativerotation of thetwo members as the force tending to rotate the one about the other increases. V

8. In combination with two members one of which is relatively rotatable within the other, a

reciprocable bolt, a guideway in one of said members in which the bolt reciprocates and is loosely guided to permit canting of the bolt in the guide- W y, the end of the bolt and one of the said rotatable members having mutually engageable concentric locking surfaces, the said locking surfaces having intcrengageable teeth. a key controlled cylinder lock' iournalled in one-of said members and having an eccentric pin for projecting the bolt outwardly along the guideway into-engagement with the other of said rotatable members to lock the said members together, a cam face on ,the bolt and a cam face on one of the rotatable members which, when the bolt is projected, cooperate with the tilting action of the bolt to increase the resistance to relative rotation ofthe two members as the force tending to rotate the one about the other increases.

' 9. In combination with two members'one of w hich is relatively rotatable within the other, a reciprocable bolt, a guideway in one of said members-in which the bolt reciprocates and is loosely guided to'permit canting of the bolt in the guidewa'y, means for projecting the bolt outwardly along the guideway into engagement with the other of said rotatable members to lock the said a members together, and cooperating cam surfaces on the said bolt {and one of the said members, which cam surfaces engage when the bolt is projected whereby when one of the said members is 'rotated the torque is transmitted through the said cam surfaces and bolt from one rotatable member to the other.

10. In combination with two members one of which is relatively rotatable within the other, a reciprocable bolt, a transverse guideway in one of said members in which. the bolt reciprocates and is loosely guided to permit canting of the bolt in the guideway, the end of the bolt and one if the said rotatable members having mutually engageable concentric locking surfaces, means for projecting thebolt outwardly along the guideway beyond the circumference of the rotatable meming to rotate the one about the other increases.

roam a. s'roms.

1 her having the said guldeway to engage the lock- 

